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What will Dr. Mann invent next? This highly creative inventor tells
us about his wristwatch videophone, part of the WearComp project at the
University of Toronto, which can unobtrusively record events. It is driven
by GNU/Linux, of course. Perhaps next,
he'll invent a pin to wear on our shirt collars that, when pressed, will
transport us anywhere we wish to go.
by Steve Mann
The authors tell us everything we need to know about this simple method
for making plots and diagrams. Gri is a very flexible program, due mainly to its high degree
of configurability. The authors show us how to use it with examples from
their own area of interest--storm surges.
by Dan E. Kelley and Peter S. Galbraith
This is a handy program for figuring out when the space station is overhead, or the orbit of your favorite ham radio satellite. PREDICT is also free software, released under the GPL and included in the recent Debian distribution. Learn all about this program, from installation to use. by John A. Magliacane
Mr. Kahrs returns to our pages once more, this time to talk about
using your sound card for processing field data. His example uses delay
coordinate embedding to create a phase space portrait from a single time
series. He discusses how to play with the parameters of this technique in
order to obtain a good ``unfolding'' of the portrait.
by Juergen Kahrs
CERN loves Linux, and we love articles about how CERN is using Linux
now. The latest is in supercomputing clusters, where they have developed a
system to function as a real-time prototype of the ATLAS Event Filter and
generate large amounts of data for modeling and simulation. At this time,
THOR has grown from two to over 40 Pentiums.
by James Pinfold